2. Other igneous rock forms from lava that cools quickly on Earth's surface. Classify the rock as either intrusive or extrusive, and identify another word used to describe this type of rock.

Hydrogen is preferred for regeneratively cooled nozzles because it is easy to pump. a) - True b) - False

The in situ moist unit weight of a soil is 17.3 kN/m3 and the moisture content is 16%. The specific gravity of soil solids is 2.72. This soil is to be excavated and transported to a construction site for use in a compacted fill.

An open tank contains brine to a depth of 2 m and a 3-m-layer of oil on top of the brine. Density of brine is 1,030 kg/m3 and the density of oil is 880 kg/m3. What is the gage pressure (kPa) at the bottom of the tank?

Briefly describe the function of the thermostatic expansion valve in a vapour compression refrigeration system

Select the correct answer Sam constructs a circuit connects a lead acid battery of 2 v to a lamp of resistance 3 and places an ammeter across it. What must be the reading of the ammeter? A 0.66 A B 0.5 A C 0.54 A 0.61 A

What is the distance 1

Convert 30.12345 degrees into degrees, minutes and seconds.

Between a hypothesis and a prediction

A local reaction is when a chemical enters the bloodstream?

The rules for ordinary arithmetic involving addition, subtraction, and multiplication carry over into modular arithmetic. Tru